Fix highlighting issue in Config pages, prepare for variable-width config buttons

Add ID's to be able to individually target buttons inside the configure feeds (Subscriptions Management & Import/Export) buttons.

increased z-index of dropdown-menu to prevent it from being obscured by other page elements

Fix Dropdown being obscured by other elements

Fix Swage theme issues

Remove .keep_unread from classes that do nothing.

Fix for #2085

Remove theme sizing to make scroll as read work per #1980

* Create oc.php

L27 : ajout de l’occitan

* Create admin.php

* Create conf.php

* Create feedback.php

* Create gen.php

* Create index.php

* Create install.php

* Create sub.php

* Delete conf.php

* Create conf.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update oc.php

* Update admin.php

* Update conf.php

* Update feedback.php

* Update gen.php

* Update index.php

* Update install.php

* Update sub.php

* Update oc.php

* TT-RSS import

Import of Tiny Tiny RSS favourites
#2018 (comment)

* Fallback feed_url

* Simpler JSON

* TT-RSS import custom labels

* Fix syntax

* Tweaks for Vienna RSS

#2091
ViennaRSS/vienna-rss#1197

* Fix get feed by URL

* Fix get item ids returning starred elements

* API add item ids by feed URL

* Add API filter `it`

https://feedhq.readthedocs.io/en/latest/api/reference.html#stream-items-ids

* API add `nt=` filter + refactoring

* No ; prefix for author

#2091 (comment)

* Add id long form prefix and accept short id form

#2091 (comment)

* Fix quote problem

#2091 (comment)

* Isolate bug fix for News+

#2091 (comment)

* Rework encoding conventions

#2091 (comment)

* Unicode escaping alternative

Alternative approach to encode XML special characters and other
problematic characters into their Unicode fullwidth version when we
cannot use HTML-encoding because clients disagree wether they should
HTML-decode or not.
#2091 (comment)

…FF 63 (#2112)

* Note stating manually adding custom subscription services removed in FF 63

* Amended to mention bookmarklet and upcoming issues

#2085
#2088
#2089
#2091
#2092
#2093
#2094
#2099
#2110

Use only minimal XML->Unicode encoding for articles title.
Follow-up of #2093

Dropdown menus with lots of entries were a bit difficult to use …
Set max height to 75% of Viewport-height and enabled scrolling

* Fix for #1620

* Swage login tweaks

#2069 (comment)

* Swage tweaks for Mobile

#1620
#2108
#2122

* Add username in configuration menu

#2099 (comment)

* Add username to exported files

And suggested dir was wrong.

https://bugs.php.net/bug.php?id=69489
```
<b>Notice</b>:  tempnam(): file created in the system's temporary
directory in
<b>/var/www/html/FreshRSS/app/Controllers/importExportController.php</b>
on line <b>800</b><br />
```

Fix #2106
Proper SVG support would require custom sanitizing and URL rewriting of
xlink:href, and is left for future work

* i18n Admin standardization

cz - moved items incorrectly placed in system array to extensions array
nl - remove registration array in user array that doesn't appear in any other translations - possibly from an old version that didn't get removed?
oc - reordered list to standardize order with other translation files.

* Alphabetize extensions Array

* Standardize conf.php

he - removed options not appearing in other i18n files, added missing strings

* Standardize feedback.php

he - removed line not found in other translation files
nl - removed line not found in other translation files

* Standardize gen.php

* Standardize index.php

Major sorting of oc.
Added tags to several languages

* Standardize install.php

ru - added missing strings
it - remove extra string not found in other config files
he - add missing strings, remove strings not found in other languages
oc - reorganize

* Standardize sub.php

* Standardize and fix TODOs

use format  "//TODO - Translation" for easier searching

* Fix whitespace

#1767)

* add skipping option to toggleContent to use later for 'i' and 'o' hotkeys

* in English config j,k are now 'open' and not 'skip', i,o are called 'focus .. without opening'

* [fix] Finishing touches for next/previous without focus

Cf. #1767.

* Avoid single quote

Alternative: use `’`

* Minor whitespace

* Minor whitespace

* be explicit about skipping

* add todos

* overshot by one

* Use cookie_duration correctly

* WIP allow cookie_duration to be modified from GUI

* Allow cookie_duration to actually be updated

* Update view to properly display cookie_duration

* Add new strings in Translation Files

* Fix typo

* Fix trailing whitespace

* I18n: French translation

* I18n fr: Forgot todo

* [docs] Add note about specific user for webcron

Cf. #613 (comment)

* Small changes

* Use one of the RFC addresses for examples

* [i18n] Update missing string for Occitan

According to I18n standardization #2138 this string was missing.
Took the most used translation for "to clear" from Firefox, escafar.
And «cache» like in French and English.
Tell me know if other strings are missing

* Removal of the comment

Comment removed - comentari tirat - commentaire retiré

* Missing strings

* Missing strings

* More ’

#1767
#2122
#2133
#2134
#2135
#2136
#2137

Fix #2130
`.current` might not exist in views for which all articles are already
expanded

* Update README.md

* Small adjustements

* Whitespace

* Tabs

…previous_article` todos (#2156)

Cf. #2140 (comment)

* Update CREDITS.md

Added myself (thomas-gt, see #2151).
Thanks.

* alphabetical

Minz: Fix HTML injections

#2121
#2157
#2130
#2148

#2146

* Update Readme.conf

Add information in Readme.conf to hopefully stop bug reports about intended behavior.

* Update README.md

Co-Authored-By: pattems <patrick@crandol.com>

* Update README.md

Co-Authored-By: pattems <patrick@crandol.com>

* Update README.md

Co-Authored-By: pattems <patrick@crandol.com>

* Update README.md

Co-Authored-By: pattems <patrick@crandol.com>

* Update Readme

* Update Documentation Section

* Add main Documentation link near top of Document

* Make Documentation header a link

* Fix spelling mistake I didn't catch

* Apply suggestions from code review

Co-Authored-By: pattems <patrick@crandol.com>

* Changes per Frenzie comments

* Move non-disclaiming disclaimer

* Resolve #2159

See: #2161 (comment)

Small fix for #2137

I just realized (despite the fact that I've been editing it for the last month keeping it updated) that BlueLagoon has a copy of template.css in it's theme directory that doesn't do anything.

Fix for #2115.

* Prelim. Add Pinboard

based on the url found in the "For iPad" section here: https://pinboard.in/howto/

* add i18n string for Pinboard

* Add help to pinboard

* add title to Pinboard Share

Title seems to be an element, but isn't documented in the API. Perhaps it's an alternative to description? It probably won't hurt to include it.

* Feedback from @samplereality

* Minor Whitespace

* Remove Sticky Kit

Remove sticky-kit, as functionality is unsuitable for separate scrolling.

* Remove sticky-kit load in main.js

Further removing the sticky-kit kruft

* Finish removal of references to Sticky-kit

* CSS Changes to template for Independent Scrolling

* Addition of JS and supporting CSS and html

* More CSS fixes to establish expected behavior

Should be able to scroll navbar without it being in sticky mode now.

* Fix typo in main.js

sortcut.js -> shortcut.js

* Fix unexpected tree scrolling behavior

* Change name of generic JS function

* Improve sticky-aside

* CSS changes in themes to accommodate  independent Scroll

In themes where .aside's width is not the standard 300px, .tree's width must be specified to be equal to .aside

* Remove Sticky-Kit from README files

* Updates to Sticky-Aside

* Update Template to fix screwup

* Make Recalculating height actually work

* Let sidebar fill height if nav buttons aren't visible

* Make accommodating for nav buttons actually work

* update Swage theme for Independent Scroll feature

* Integrate sticky_aside into main.js

* Add Simple Scrollbar

* Patch scrollbar color for themes with dark colored asides

* Increase Visibility of scrollbar on Dark Themes

* Improve async loading, events, and performance

* CSS typo

* Fix double scrollbar on mobile

* Fix regression causing sticky to not be removed

* No $ for non-jQuery variables

* Fix strange condition + option for nice scrollbar

* Initial attempt to use css sticky

* Add stickyfill

* make the correct element sticky

* re-add incorrectly removed sidebar code

* Continue fixing mistaken deletions

* decrease frequency of recalc

* use minified version of simple-scrollbar.

* Load stickyfill instead of injecting

* put recalc back where it belongs

* re-remove script injector

* remove padding

bottom padding was causing the last item in the feed to be hidden under the nav buttons

* Manual merge of css_scrollbar

Add auto-detection of -webkit-scrollbar-thumb, otherwise fall back to
simple-scrollbar.js

* Fix Regression

Sticky recalc is still needed when using css scrollbars

* Replace method of closing dropdowns

Changed from an overlay href to a javascript solution, for better compatibility

* Remove Treepadding

Treepadding was causing dropdown menus at the bottom of the tree to be obscured.

* Undo unnecessary move of dropdown-target

* Move Dropdown Handler to a sensibleish place

* Fix light Scrollbar color not picking up on Firefox

* Minor syntax

* Minor Clarification of CSS/ patch BlueLagoon

* Change logic for native WebKit scrollbar detection

Fix
#2117 (comment)
Tested with Firefox 63, Firefox 65, Chrome 71, IE11, Edge 42

* Fixes for other views

E.g. reader view

* Cleaner way of generating hash for dropdowns

* Make dropdown-toggle an actual toggle

* Prepare for CSS Scrollbars Module Level 1

* Fix regression causing my labels dropdown not to appear

* remove unneeded dropdown-close css rule

* Re-apply some lost changes

3c50998

* Add standard scrollbar compatibility

E.g. Firefox 64+

* Make All dropdowns click-to-close

* Remove BlueLagoon template

* Try to fix Firefox

#2117 (comment)

* Add CSS rules necessary for consistent function of scrollbar in Firefox

* Use inheritance to determine width

* Use overlay scrollbar where possible

* Test Reduced Listener

* Fix Firefox 62

And show subtle scrollbar even when not hovering

* Add margin at bottom

To allow opening the menus
#2117 (comment)

* Minor - tab correction

* Spaces -> tabs

* Remove unneeded inheritance

* Fix indenting

* Revert bad merge

* Messy WIP to make dropdowns work

* Style Cleanup

* Break it down

* Lets try a move-it move-it

* Update p/scripts/main.js

Co-Authored-By: pattems <patrick@crandol.com>

* Update p/themes/BlueLagoon/BlueLagoon.css

Co-Authored-By: pattems <patrick@crandol.com>

*  separate ALL THE THINGS

* erroneous commas

* and to or

* removing double condition that doesn't do what I want

* More breaking down

* fix var

* Fix variable name again

* Remove magic number

#2117 (comment)

* Suuuuper inelegant solution for dropdowns

* lets try that again

* Inelegant Fix For Dropdowns

Now with 100% more working dropdowns

* Make sidebar dropdowns work correctly?

* Fix reversion

* Make JS scrollbar always visible

* Remove unneeded CSS

Added early in this pull request, didn't get pulled out when it was obsolete

* Fix CSS removal I missed

* CSS comment update/consistency for dark themes

* Clean Up Duplicate code

* Make dropdowns properly hide

Downside: Can no longer click on header/nav buttons to close

* Strip unneeded if statement

* jshint -W018

#2117 (comment)

* Half-reversion to old dropdown

* make overlay href scale to sidebar width

* remove init of nonexistent method

* remove trailing tabs

* move #close href where it belongs in index.phtml

* Revert all changes to index.phtml

* remove whitespace

accidentally added in last commit

* Move var's in init_column categories

* Finish putting old style dropdowns back

* Make CSS changes to use support statements

* Cleanup Whitespace

* re-add missing class

* spaces -> tabs in main.js

* tabs -> spaces css

* Minor whitespace

* Cleanup per @Alkarex

* Second attempt to add bottom margin

#2117 (comment)

* Fix error in IE11

* Simple-scrollbar color match for dark themes

* Add Nav menu to reader mode

At this point, it appears to be non-functional in reader mode.

* Add aside_feed toggle to reader view

* make init_column_categories work in reader view

* Make sidebar links redirect to proper view

* CSS to support toggleable sidebar in reader view

* remove unneeded !important

* JavaScript-free scrollbar

Make scrollbar work without JavaScript
#2117 (comment)
Also implies a better support of resize scenarios.
Seems to fix at the same time the occasional glitches
#2117 (comment)

* Firefox 64-66 workaround

Workaround for Gecko bug in Firefox 64-66. Avoid showing the scrollbar
all the time, at the cost of a slight reflow (therefore targetting only
Gecko).

* Improvement of Firefox workaround

* Minor comment

* Unneeded check

* Even better

* Partial Edge fix

* More margin for tree bottom

#2158 (comment)

* Documentation Vienna / Open Reader

#2091
#2093
ViennaRSS/vienna-rss#1197

* Remove references to Open Reader API for now

* Add Phoronix CSS retrieve rule

* Update 05_Configuration.md

Mise à jour paragraphe des langues
Ajout règle CSS Phoronix

* Ajout outils externes pour récupérer contenu complet article

* Adding external tools to retrieve full-content

* Messed up for Phoronix, added back

* Update 05_Configuration.md

* Update 05_Configuration.md

#2181 (comment)

Instead of PubSubHubbub / PuSH

#2184

#1407
#2188

* Update Docker readme

Promote the use of an automated reverse proxy such as Træfik. Propose
other good practices.

* Typo

Support HTTP_X_FORWARDED_PREFIX HTTP_X_FORWARDED_HOST
Improve Docker/Træfik for rules based on path/sub-folder

https://blog.docker.com/2018/12/the-new-docker-hub/

#2191
#2189

https://liberapay.com/FreshRSS
#1694

https://alpinelinux.org/posts/Alpine-3.8.2-released.html
#1694
#2190
#2192

#2190

* Fix .gitignore take 3

#2190
#2193

* Readme

#2186
https://github.com/FreshRSS/FreshRSS/milestone/32
https://github.com/FreshRSS/FreshRSS/milestones/1.13.0